Worker recovery without Conductor

Worker recovery without Conductor A sequence diagram generated by Archify. Renew lease every 10 s Persist completed step Scan every 5 s A lease expired after 75 s Revoke A + re-enqueue atomically Replay from saved checkpoints A resumes: attempts stale write Reject revoked executor Healthy execution A stops heartbeating; its lease expires Recovery and stale-worker protection Worker A · original executor · Sequence participant Worker A original executor PostgreSQL · leases + DBOS · Sequence participant PostgreSQL leases + DBOS Worker B · healthy executor · Sequence participant Worker B healthy executor Legend request return security async trace default message